{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "###  本周学习目标\n",
    "#### 1.课本代码（项目一，从奇数中选择对应的时间节点）\n",
    "#### 2.认识变量\n",
    "#### 3.if else\n",
    "#### 4.for+range"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "datetime.datetime(2021, 9, 11, 20, 52, 26, 449803)"
      ]
     },
     "execution_count": 11,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# 从python基础库（标准库中）找到datetime模块\n",
    "from datetime import datetime\n",
    "datetime.today()\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "not an odd minute\n"
     ]
    }
   ],
   "source": [
    "# 课本代码（项目一，从奇数中选择对应的时间节点）\n",
    "\n",
    "\n",
    "odds =[1,3,5,7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59]\n",
    "\n",
    "right_this_minute = datetime.today().minute\n",
    "\n",
    "if right_this_minute in odds:\n",
    "    print(\"时间是奇数，时间在odds的数据中\")\n",
    "else:\n",
    "    print(\"not an odd minute\")\n",
    "    \n",
    "    \n",
    "    "
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "#### 2.认识变量"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "4"
      ]
     },
     "execution_count": 17,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    ">>> 2+2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "20"
      ]
     },
     "execution_count": 18,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    ">>> 50-5*6"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "\"doesn't\""
      ]
     },
     "execution_count": 19,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "\"doesn't\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Huangke Huangke\n",
      "What is the value of name2 now?\n"
     ]
    }
   ],
   "source": [
    "name = \"Huangke\"\n",
    "\n",
    "name2 = name\n",
    "print(name,name2)\n",
    "\n",
    "name = \"Coco\"\n",
    "\n",
    "print(\"What is the value of name2 now?\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "#### 3.if else\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 24,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Work, work, work.\n"
     ]
    }
   ],
   "source": [
    "if today == \"Saturday\":\n",
    "    print(\"Party!\")\n",
    "elif today == \"Sunday\":\n",
    "    if condition == \"Headache\":\n",
    "        print(\"Recover, then rest.\")\n",
    "    else:\n",
    "        print(\"Rest.\")\n",
    "else:\n",
    "    print(\"Work, work, work.\")\n",
    "    \n",
    "    \n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "#### 4.for +range"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 25,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[99,\n",
       " 98,\n",
       " 97,\n",
       " 96,\n",
       " 95,\n",
       " 94,\n",
       " 93,\n",
       " 92,\n",
       " 91,\n",
       " 90,\n",
       " 89,\n",
       " 88,\n",
       " 87,\n",
       " 86,\n",
       " 85,\n",
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       " 83,\n",
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       " 81,\n",
       " 80,\n",
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       " 77,\n",
       " 76,\n",
       " 75,\n",
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       " 73,\n",
       " 72,\n",
       " 71,\n",
       " 70,\n",
       " 69,\n",
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       " 67,\n",
       " 66,\n",
       " 65,\n",
       " 64,\n",
       " 63,\n",
       " 62,\n",
       " 61,\n",
       " 60,\n",
       " 59,\n",
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       " 57,\n",
       " 56,\n",
       " 55,\n",
       " 54,\n",
       " 53,\n",
       " 52,\n",
       " 51,\n",
       " 50,\n",
       " 49,\n",
       " 48,\n",
       " 47,\n",
       " 46,\n",
       " 45,\n",
       " 44,\n",
       " 43,\n",
       " 42,\n",
       " 41,\n",
       " 40,\n",
       " 39,\n",
       " 38,\n",
       " 37,\n",
       " 36,\n",
       " 35,\n",
       " 34,\n",
       " 33,\n",
       " 32,\n",
       " 31,\n",
       " 30,\n",
       " 29,\n",
       " 28,\n",
       " 27,\n",
       " 26,\n",
       " 25,\n",
       " 24,\n",
       " 23,\n",
       " 22,\n",
       " 21,\n",
       " 20,\n",
       " 19,\n",
       " 18,\n",
       " 17,\n",
       " 16,\n",
       " 15,\n",
       " 14,\n",
       " 13,\n",
       " 12,\n",
       " 11,\n",
       " 10,\n",
       " 9,\n",
       " 8,\n",
       " 7,\n",
       " 6,\n",
       " 5,\n",
       " 4,\n",
       " 3,\n",
       " 2,\n",
       " 1]"
      ]
     },
     "execution_count": 25,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "range(5)\n",
    "\n",
    "list(range(5))\n",
    "\n",
    "list(range(5,10))\n",
    "\n",
    "list(range(0,10,2))\n",
    "\n",
    "list(range(10,0,-2))\n",
    "\n",
    "list(range(10,0,2))\n",
    "\n",
    "list(range(99,0,-1))"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# 练习"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "import time"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "1631434308.237925\n"
     ]
    },
    {
     "data": {
      "text/plain": [
       "time.struct_time(tm_year=2021, tm_mon=9, tm_mday=12, tm_hour=16, tm_min=11, tm_sec=49, tm_wday=6, tm_yday=255, tm_isdst=0)"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# 暂停一秒输出\n",
    "# 暂停一秒输出，并格式化当前的时间\n",
    "print(time.time())\n",
    "time.sleep(1)\n",
    "time.localtime()\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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